/**
 * Handles Click event for the "+" button in starport window.
 *
 * @return True, always.
 */
bool GUI_Purchase_Plus_Click(Widget *w)
{
	FactoryWindowItem *item;
	ObjectInfo *oi;
	House *h = g_playerHouse;

	GUI_Widget_MakeNormal(w, false);

	item = GUI_FactoryWindow_GetItem(g_factoryWindowSelected);
	oi = item->objectInfo;

	if (item->amount < oi->available && item->credits <= h->credits) {
		item->amount++;

		GUI_FactoryWindow_UpdateDetails();

		g_factoryWindowOrdered++;

		h->credits -= item->credits;

		GUI_FactoryWindow_DrawCaption(NULL);
	}

	return true;
}

/**
 * Handles Click event for the "Build this" button in production window.
 *
 * @return True, always.
 */
bool GUI_Production_BuildThis_Click(Widget *w)
{
	if (g_factoryWindowStarport) {
		if (g_factoryWindowOrdered == 0) {
			GUI_Widget_MakeInvisible(w);
			GUI_Purchase_ShowInvoice();
			GUI_Widget_MakeVisible(w);
		} else {
			g_factoryWindowResult = FACTORY_BUY;
		}
	} else {
		FactoryWindowItem *item;
		ObjectInfo *oi;

		item = GUI_FactoryWindow_GetItem(g_factoryWindowSelected);
		oi = item->objectInfo;

		if (oi->available > 0) {
			item->amount = 1;
			g_factoryWindowResult = FACTORY_BUY;
		}
	}

	GUI_Widget_MakeNormal(w, false);

	return true;
}

/**
 * Handles Click event for the "Invoice" button in starport window.
 *
 * @return True, always.
 */
bool GUI_Purchase_Invoice_Click(Widget *w)
{
	GUI_Widget_MakeInvisible(w);
	GUI_Purchase_ShowInvoice();
	GUI_Widget_MakeVisible(w);
	GUI_Widget_MakeNormal(w, false);
	return true;
}

/**
 * Handles Click event for the "Ugrade" button in production window.
 *
 * @return True, always.
 */
bool GUI_Production_Upgrade_Click(Widget *w)
{
	GUI_Widget_MakeNormal(w, false);

	g_factoryWindowResult = FACTORY_UPGRADE;

	return true;
}

/**
 * Handles Click event for "Game controls" button.
 *
 * @param w The widget.
 */
static void GUI_Widget_GameControls_Click(Widget *w)
{
	WindowDesc *desc = &g_gameControlWindowDesc;
	bool loop;

	GUI_Window_BackupScreen(desc);

	GUI_Window_Create(desc);

	loop = true;
	while (loop) {
		Widget *w2 = g_widgetLinkedListTail;
		uint16 key = GUI_Widget_HandleEvents(w2);

		if ((key & 0x8000) != 0) {
			w = GUI_Widget_Get_ByIndex(w2, key & 0x7FFF);

			switch ((key & 0x7FFF) - 0x1E) {
				case 0:
					g_gameConfig.music ^= 0x1;
					if (g_gameConfig.music == 0) Driver_Music_Stop();
					break;

				case 1:
					g_gameConfig.sounds ^= 0x1;
					if (g_gameConfig.sounds == 0) Driver_Sound_Stop();
					break;

				case 2:
					if (++g_gameConfig.gameSpeed >= 5) g_gameConfig.gameSpeed = 0;
					break;

				case 3:
					g_gameConfig.hints ^= 0x1;
					break;

				case 4:
					g_gameConfig.autoScroll ^= 0x1;
					break;

				case 5:
					loop = false;
					break;

				default: break;
			}

			GUI_Widget_MakeNormal(w, false);

			GUI_Widget_Draw(w);
		}

		GUI_PaletteAnimate();
		sleepIdle();
	}

	GUI_Window_RestoreScreen(desc);
}

/**
 * Handles Click event for list in mentat window.
 *
 * @param w The widget.
 */
bool GUI_Mentat_List_Click(Widget *w)
{
    uint16 index;
    Widget *w2;

    index = s_selectedHelpSubject + 3;

    if (w->index != index) {
        w2 = GUI_Widget_Get_ByIndex(g_widgetMentatTail, index);

        GUI_Widget_MakeNormal(w, false);
        GUI_Widget_MakeNormal(w2, false);

        if (w2->stringID == 0x31) {
            w2->fgColourDown   = 15;
            w2->fgColourNormal = 15;

            GUI_Widget_Draw(w2);
        }

        if (w->stringID == 0x31) {
            w->fgColourDown   = 8;
            w->fgColourNormal = 8;

            GUI_Widget_Draw(w);
        }

        s_selectedHelpSubject = w->index - 3;
        return true;
    }

    if ((w->state.buttonState & 0x11) == 0 && !s_selectMentatHelp) return true;

    if (w->stringID != 0x31) return true;

    GUI_Widget_MakeNormal(w, false);

    GUI_Mentat_ShowHelp();

    GUI_Mentat_Draw(true);

    Input_HandleInput(0x841);
    Input_HandleInput(0x842);
    return false;
}

void GUI_Mentat_ShowHelp_Close() {
	GUI_Widget_MakeNormal(g_widgetMentatFirst, false);

	GUI_Mentat_LoadHelpSubjects(false);

	GUI_Mentat_Create_HelpScreen_Widgets();

	GUI_Mentat_Draw(true);
}

/**
 * Handles Click event for "Clear List" button.
 *
 * @param w The widget.
 * @return True, always.
 */
bool GUI_Widget_HOF_ClearList_Click(Widget *w)
{
	/* "Are you sure you want to clear the high scores?" */
	if (GUI_YesNo(0x148)) {
		HallOfFameStruct *data = w->data;

		memset(data, 0, 128);

		if (File_Exists("SAVEFAME.DAT")) File_Delete("SAVEFAME.DAT");

		GUI_HallOfFame_DrawData(data, true);

		g_doQuitHOF = true;
	}

	GUI_Widget_MakeNormal(w, false);

	return true;
}

/**
 * Handles Click event for the "Up" button in production window.
 *
 * @return True, always.
 */
bool GUI_Production_Up_Click(Widget *w)
{
	bool locdi = false;

	if (g_factoryWindowSelected != 0) {
		g_timerTimeout = 10;
		GUI_FactoryWindow_B495_0F30();
		g_factoryWindowSelected--;

		GUI_FactoryWindow_UpdateSelection(true);

		locdi = true;
	} else {
		if (g_factoryWindowBase != 0) {
			g_timerTimeout = 10;
			g_factoryWindowBase--;
			locdi = true;

			GUI_FactoryWindow_ScrollList(-1);

			GUI_FactoryWindow_UpdateSelection(true);
		} else {
			locdi = false;

			GUI_FactoryWindow_DrawDetails();

			GUI_FactoryWindow_FailScrollList(-1);
		}
	}

	do {
		GUI_FactoryWindow_UpdateSelection(false);
		sleepIdle();
	} while (g_timerTimeout != 0);

	if (locdi) GUI_FactoryWindow_DrawDetails();

	GUI_Widget_MakeNormal(w, false);

	return true;
}

/**
 * Handles Click event for the "Down" button in production window.
 *
 * @return True, always.
 */
bool GUI_Production_Down_Click(Widget *w)
{
	bool locdi = false;

	if (g_factoryWindowSelected < 3 && (g_factoryWindowSelected + 1) < g_factoryWindowTotal) {
		g_timerTimeout = 10;
		GUI_FactoryWindow_B495_0F30();
		g_factoryWindowSelected++;

		GUI_FactoryWindow_UpdateSelection(true);

		locdi = true;
	} else {
		if (g_factoryWindowBase + 4 < g_factoryWindowTotal) {
			g_timerTimeout = 10;
			g_factoryWindowBase++;
			locdi = true;

			GUI_FactoryWindow_ScrollList(1);

			GUI_FactoryWindow_UpdateSelection(true);
		} else {
			locdi = false;

			GUI_FactoryWindow_DrawDetails();

			GUI_FactoryWindow_FailScrollList(1);
		}
	}

	for (; g_timerTimeout != 0; sleepIdle()) {
		GUI_FactoryWindow_UpdateSelection(false);
	}

	if (locdi) GUI_FactoryWindow_DrawDetails();

	GUI_Widget_MakeNormal(w, false);

	return true;
}

/**
 * Handles Click event for the "-" button in startport window.
 *
 * @return True, always.
 */
bool GUI_Purchase_Minus_Click(Widget *w)
{
	FactoryWindowItem *item;
	House *h = g_playerHouse;

	GUI_Widget_MakeNormal(w, false);

	item = GUI_FactoryWindow_GetItem(g_factoryWindowSelected);

	if (item->amount != 0) {
		item->amount--;

		GUI_FactoryWindow_UpdateDetails();

		g_factoryWindowOrdered--;

		h->credits += item->credits;

		GUI_FactoryWindow_DrawCaption(NULL);
	}

	return true;
}

/**
 * Handles Click event for the "Resume Game" button in production window.
 *
 * @return True, always.
 */
bool GUI_Production_ResumeGame_Click(Widget *w)
{
	g_factoryWindowResult = FACTORY_RESUME;

	if (g_factoryWindowStarport) {
		uint8 i = 0;
		House *h = g_playerHouse;
		while (g_factoryWindowOrdered != 0) {
			if (g_factoryWindowItems[i].amount != 0) {
				h->credits += g_factoryWindowItems[i].amount * g_factoryWindowItems[i].credits;
				g_factoryWindowOrdered -= g_factoryWindowItems[i].amount;
				g_factoryWindowItems[i].amount = 0;
			}

			i++;

			GUI_DrawCredits(g_playerHouseID, 0);
		}
	}

	if (w != NULL) GUI_Widget_MakeNormal(w, false);

	return true;
}

static void GUI_Mentat_ShowHelp(void)
{
    struct {
        uint8  notused[8];
        uint32 length;
    } info;
    uint8 *subject;
    uint16 i;
    bool noDesc;
    uint8 fileID;
    uint32 offset;
    char *compressedText;
    char *desc;
    char *picture;
    char *text;
    bool loc12;

    subject = s_helpSubjects;

    for (i = 0; i < s_selectedHelpSubject; i++) subject = String_NextString(subject);

    noDesc = (subject[5] == '0');
    offset = HTOBE32(*(uint32 *)(subject + 1));

    fileID = ChunkFile_Open(s_mentatFilename);
    ChunkFile_Read(fileID, HTOBE32(CC_INFO), &info, 12);
    ChunkFile_Close(fileID);

    info.length = HTOBE32(info.length);

    text = g_readBuffer;
    compressedText = GFX_Screen_Get_ByIndex(SCREEN_1);

    fileID = File_Open(s_mentatFilename, FILE_MODE_READ);
    File_Seek(fileID, offset, 0);
    File_Read(fileID, compressedText, info.length);
    String_Decompress(compressedText, text);
    String_TranslateSpecial(text, text);
    File_Close(fileID);

    while (*text != '*' && *text != '?') text++;

    loc12 = (*text == '*');

    *text++ = '\0';

    if (noDesc) {
        uint16 index;

        picture = g_scenario.pictureBriefing;
        desc    = NULL;
        text    = (char *)g_readBuffer;

        index = *text - 44 + g_campaignID * 4 + STR_HOUSE_HARKONNENFROM_THE_DARK_WORLD_OF_GIEDI_PRIME_THE_SAVAGE_HOUSE_HARKONNEN_HAS_SPREAD_ACROSS_THE_UNIVERSE_A_CRUEL_PEOPLE_THE_HARKONNEN_ARE_RUTHLESS_TOWARDS_BOTH_FRIEND_AND_FOE_IN_THEIR_FANATICAL_PURSUIT_OF_POWER + g_playerHouseID * 40;

        strncpy(g_readBuffer, String_Get_ByIndex(index), g_readBufferSize);
    } else {
        picture = (char *)g_readBuffer;
        desc    = text;

        while (*text != '\0' && *text != 0xC) text++;
        if (*text != '\0') *text++ = '\0';
    }

    GUI_Mentat_Loop(picture, desc, text, loc12 ? 1 : 0, g_widgetMentatFirst);

    GUI_Widget_MakeNormal(g_widgetMentatFirst, false);

    GUI_Mentat_LoadHelpSubjects(false);

    GUI_Mentat_Create_HelpScreen_Widgets();

    GUI_Mentat_Draw(true);
}

static void GUI_Mentat_Draw(bool force)
{
    static uint16 displayedHelpSubject = 0;

    Screen oldScreenID;
    Widget *line;
    Widget *w = g_widgetMentatTail;
    uint8 *helpSubjects = s_helpSubjects;
    uint16 i;

    if (!force && s_topHelpList == displayedHelpSubject) return;

    displayedHelpSubject = s_topHelpList;

    oldScreenID = GFX_Screen_SetActive(SCREEN_1);

    Widget_SetAndPaintCurrentWidget(8);

    GUI_DrawSprite(SCREEN_1, g_sprites[397 + g_playerHouseID * 15], g_shoulderLeft, g_shoulderTop, 0, 0);

    GUI_DrawText_Wrapper(String_Get_ByIndex(STR_SELECT_SUBJECT), (g_curWidgetXBase << 3) + 16, g_curWidgetYBase + 2, 12, 0, 0x12);
    GUI_DrawText_Wrapper(NULL, 0, 0, 0, 0, 0x11);

    line = GUI_Widget_Get_ByIndex(w, 3);
    for (i = 0; i < 11; i++) {
        line->drawParameterDown.text     = (char *)helpSubjects + 7;
        line->drawParameterSelected.text = (char *)helpSubjects + 7;
        line->drawParameterNormal.text   = (char *)helpSubjects + 7;

        if (helpSubjects[6] == '0') {
            line->offsetX          = 16;
            line->fgColourSelected = 11;
            line->fgColourDown     = 11;
            line->fgColourNormal   = 11;
            line->stringID         = 0x30;
        } else {
            uint8 colour = (i == s_selectedHelpSubject) ? 8 : 15;
            line->offsetX          = 24;
            line->fgColourSelected = colour;
            line->fgColourDown     = colour;
            line->fgColourNormal   = colour;
            line->stringID         = 0x31;
        }

        GUI_Widget_MakeNormal(line, false);
        GUI_Widget_Draw(line);

        line = GUI_Widget_GetNext(line);
        helpSubjects = String_NextString(helpSubjects);
    }

    GUI_Widget_Scrollbar_Init(GUI_Widget_Get_ByIndex(w, 15), s_numberHelpSubjects, 11, s_topHelpList);

    GUI_Widget_Draw(GUI_Widget_Get_ByIndex(w, 16));
    GUI_Widget_Draw(GUI_Widget_Get_ByIndex(w, 17));

    GUI_Mouse_Hide_Safe();
    GUI_Screen_Copy(g_curWidgetXBase, g_curWidgetYBase, g_curWidgetXBase, g_curWidgetYBase, g_curWidgetWidth, g_curWidgetHeight, SCREEN_1, SCREEN_0);
    GUI_Mouse_Show_Safe();
    GFX_Screen_SetActive(oldScreenID);
}

/**
 * Handles Click event for "Save Game" or "Load Game" button.
 *
 * @param save Wether to save or load.
 * @return True if a game has been saved or loaded, False otherwise.
 */
bool GUI_Widget_SaveLoad_Click(bool save)
{
	WindowDesc *desc = &g_saveLoadWindowDesc;
	bool loop;

	s_savegameCountOnDisk = GetSavegameCount();

	s_savegameIndexBase = max(0, s_savegameCountOnDisk - (save ? 0 : 1));

	FillSavegameDesc(save);

	desc->stringID = save ? STR_SELECT_A_POSITION_TO_SAVE_TO : STR_SELECT_A_SAVED_GAME_TO_LOAD;

	GUI_Window_BackupScreen(desc);

	GUI_Window_Create(desc);

	UpdateArrows(save, true);

	for (loop = true; loop; sleepIdle()) {
		Widget *w = g_widgetLinkedListTail;
		uint16 key = GUI_Widget_HandleEvents(w);

		UpdateArrows(save, false);

		if ((key & 0x8000) != 0) {
			Widget *w2;

			key &= 0x7FFF;
			w2 = GUI_Widget_Get_ByIndex(w, key);

			switch (key) {
				case 0x25:
					s_savegameIndexBase = min(s_savegameCountOnDisk - (save ? 0 : 1), s_savegameIndexBase + 1);

					FillSavegameDesc(save);

					GUI_Widget_DrawAll(w);
					break;

				case 0x26:
					s_savegameIndexBase = max(0, s_savegameIndexBase - 1);

					FillSavegameDesc(save);

					GUI_Widget_DrawAll(w);
					break;

				case 0x23:
					loop = false;
					break;

				default: {
					GUI_Window_RestoreScreen(desc);

					key -= 0x1E;

					if (!save) {
						LoadFile(GenerateSavegameFilename(s_savegameIndexBase - key));
						return true;
					}

					if (GUI_Widget_Savegame_Click(key)) return true;

					GUI_Window_BackupScreen(desc);

					UpdateArrows(save, true);

					GUI_Window_Create(desc);

					UpdateArrows(save, true);
				} break;
			}

			GUI_Widget_MakeNormal(w2, false);
		}

		GUI_PaletteAnimate();
	}

	GUI_Window_RestoreScreen(desc);

	return false;
}

/**
 * Handles Click event for savegame button.
 *
 * @param key The index of the clicked button.
 * @return True if a game has been saved, False otherwise.
 */
static bool GUI_Widget_Savegame_Click(uint16 key)
{
	WindowDesc *desc = &g_savegameNameWindowDesc;
	bool loop;
	char *saveDesc = g_savegameDesc[key];
	uint16 loc08;
	uint16 loc0A;
	bool ret;

	if (*saveDesc == '[') *saveDesc = 0;

	GUI_Window_BackupScreen(desc);

	GUI_Window_Create(desc);

	ret = false;
	loc08 = 1;

	if (*saveDesc == '[') key = s_savegameCountOnDisk;

	GFX_Screen_SetActive(SCREEN_0);

	Widget_SetCurrentWidget(15);

	GUI_Mouse_Hide_Safe();
	GUI_DrawBorder((g_curWidgetXBase << 3) - 1, g_curWidgetYBase - 1, (g_curWidgetWidth << 3) + 2, g_curWidgetHeight + 2, 4, false);
	GUI_Mouse_Show_Safe();

	for (loop = true; loop; sleepIdle()) {
		Widget *w = g_widgetLinkedListTail;

		GUI_DrawText_Wrapper(NULL, 0, 0, 232, 235, 0x22);

		loc0A = GUI_EditBox(saveDesc, 50, 15, g_widgetLinkedListTail, NULL, loc08);
		loc08 = 2;

		if ((loc0A & 0x8000) == 0) continue;

		GUI_Widget_MakeNormal(GUI_Widget_Get_ByIndex(w, loc0A & 0x7FFF), false);

		switch (loc0A & 0x7FFF) {
			case 0x1E:
				if (*saveDesc == 0) break;

				SaveFile(GenerateSavegameFilename(s_savegameIndexBase - key), saveDesc);
				loop = false;
				ret = true;
				break;

			case 0x1F:
				loop = false;
				ret = false;
				FillSavegameDesc(true);
				break;

			default: break;
		}
	}

	GUI_Window_RestoreScreen(desc);

	return ret;
}

static void GUI_Window_Create(WindowDesc *desc)
{
	uint8 i;

	if (desc == NULL) return;

	g_widgetLinkedListTail = NULL;

	GFX_Screen_SetActive(SCREEN_1);

	Widget_SetCurrentWidget(desc->index);

	GUI_Widget_DrawBorder(g_curWidgetIndex, 2, true);

	if (GUI_String_Get_ByIndex(desc->stringID) != NULL) {
		GUI_DrawText_Wrapper(GUI_String_Get_ByIndex(desc->stringID), (g_curWidgetXBase << 3) + (g_curWidgetWidth << 2), g_curWidgetYBase + 6 + ((desc == &g_yesNoWindowDesc) ? 2 : 0), 238, 0, 0x122);
	}

	if (GUI_String_Get_ByIndex(desc->widgets[0].stringID) == NULL) {
		GUI_DrawText_Wrapper(String_Get_ByIndex(STR_THERE_ARE_NO_SAVED_GAMES_TO_LOAD), (g_curWidgetXBase + 2) << 3, g_curWidgetYBase + 42, 232, 0, 0x22);
	}

	for (i = 0; i < desc->widgetCount; i++) {
		Widget *w = &g_table_windowWidgets[i];

		if (GUI_String_Get_ByIndex(desc->widgets[i].stringID) == NULL) continue;

		w->next      = NULL;
		w->offsetX   = desc->widgets[i].offsetX;
		w->offsetY   = desc->widgets[i].offsetY;
		w->width     = desc->widgets[i].width;
		w->height    = desc->widgets[i].height;
		w->shortcut  = 0;
		w->shortcut2 = 0;

		if (desc != &g_savegameNameWindowDesc) {
			if (desc->widgets[i].labelStringId != STR_NULL) {
				w->shortcut = GUI_Widget_GetShortcut(*GUI_String_Get_ByIndex(desc->widgets[i].labelStringId));
			} else {
				w->shortcut = GUI_Widget_GetShortcut(*GUI_String_Get_ByIndex(desc->widgets[i].stringID));
			}
		}

		w->shortcut2 = desc->widgets[i].shortcut2;
		if (w->shortcut == 0x1B) {
			w->shortcut2 = 0x13;
		}

		w->stringID = desc->widgets[i].stringID;
		w->drawModeNormal   = DRAW_MODE_CUSTOM_PROC;
		w->drawModeSelected = DRAW_MODE_CUSTOM_PROC;
		w->drawModeDown     = DRAW_MODE_CUSTOM_PROC;
		w->drawParameterNormal.proc   = &GUI_Widget_TextButton_Draw;
		w->drawParameterSelected.proc = &GUI_Widget_TextButton_Draw;
		w->drawParameterDown.proc     = &GUI_Widget_TextButton_Draw;
		w->parentID = desc->index;
		memset(&w->state, 0, sizeof(w->state));

		g_widgetLinkedListTail = GUI_Widget_Link(g_widgetLinkedListTail, w);

		GUI_Widget_MakeVisible(w);
		GUI_Widget_MakeNormal(w, false);
		GUI_Widget_Draw(w);

		if (desc->widgets[i].labelStringId == STR_NULL) continue;

		if (g_config.language == LANGUAGE_FRENCH) {
			GUI_DrawText_Wrapper(GUI_String_Get_ByIndex(desc->widgets[i].labelStringId), (g_widgetProperties[w->parentID].xBase << 3) + 40, w->offsetY + g_widgetProperties[w->parentID].yBase + 3, 232, 0, 0x22);
		} else {
			GUI_DrawText_Wrapper(GUI_String_Get_ByIndex(desc->widgets[i].labelStringId), w->offsetX + (g_widgetProperties[w->parentID].xBase << 3) - 10, w->offsetY + g_widgetProperties[w->parentID].yBase + 3, 232, 0, 0x222);
		}
	}

	if (s_savegameCountOnDisk >= 5 && desc->addArrows) {
		Widget *w = &g_table_windowWidgets[7];

		w->drawParameterNormal.sprite   = g_sprites[59];
		w->drawParameterSelected.sprite = g_sprites[60];
		w->drawParameterDown.sprite     = g_sprites[60];
		w->next             = NULL;
		w->parentID         = desc->index;

		GUI_Widget_MakeNormal(w, false);
		GUI_Widget_MakeInvisible(w);
		GUI_Widget_Undraw(w, 233);

		g_widgetLinkedListTail = GUI_Widget_Link(g_widgetLinkedListTail, w);

		w = &g_table_windowWidgets[8];

		w->drawParameterNormal.sprite   = g_sprites[61];
		w->drawParameterSelected.sprite = g_sprites[62];
		w->drawParameterDown.sprite     = g_sprites[62];
		w->next             = NULL;
		w->parentID         = desc->index;

		GUI_Widget_MakeNormal(w, false);
		GUI_Widget_MakeInvisible(w);
		GUI_Widget_Undraw(w, 233);

//.........这里部分代码省略.........

/**
 * Handles Click event for unit commands button.
 *
 * @param w The widget.
 * @return True, always.
 */
bool GUI_Widget_TextButton_Click(Widget *w)
{
	const UnitInfo *ui;
	const ActionInfo *ai;
	const uint16 *actions;
	ActionType action;
	Unit *u;
	uint16 *found;
	ActionType unitAction;

	u = g_unitSelected;
	ui = &g_table_unitInfo[u->o.type];

	actions = ui->o.actionsPlayer;
	if (Unit_GetHouseID(u) != g_playerHouseID && u->o.type != UNIT_HARVESTER) {
		actions = g_table_actionsAI;
	}

	action = actions[w->index - 8];

	unitAction = u->nextActionID;
	if (unitAction == ACTION_INVALID) {
		unitAction = u->actionID;
	}

	if (u->deviated != 0) {
		Unit_Deviation_Decrease(u, 5);
		if (u->deviated == 0) {
			GUI_Widget_MakeNormal(w, false);
			return true;
		}
	}

	GUI_Widget_MakeSelected(w, false);

	ai = &g_table_actionInfo[action];

	if (ai->selectionType != g_selectionType) {
		g_unitActive = g_unitSelected;
		g_activeAction = action;
		GUI_ChangeSelectionType(ai->selectionType);

		return true;
	}

	Object_Script_Variable4_Clear(&u->o);
	u->targetAttack = 0;
	u->targetMove = 0;
	u->route[0] = 0xFF;

	Unit_SetAction(u, action);

	if (ui->movementType == MOVEMENT_FOOT) Sound_StartSound(ai->soundID);

	if (unitAction == action) return true;

	found = memchr(actions, unitAction, 4);
	if (found == NULL) return true;

	GUI_Widget_MakeNormal(GUI_Widget_Get_ByIndex(g_widgetLinkedListHead, found - actions + 8), false);

	return true;
}